- Dallas Cowboys player Marshawn Kneeland who died by suicide diagnosed with CTE brain disease BBC
- Late Cowboys player Marshawn Kneeland diagnosed with CTE ESPN
- Marshawn Kneeland’s Cause of Death Revealed, Dallas Cowboys Player Was 24 People.com
- Marshawn Kneeland diagnosed with CTE months after death by suicide – The Athletic The New York Times
- Former Cowboys defensive end Marshawn Kneeland had early stage CTE when he died at 24 The Guardian